CVE-2026-93229 Linux Kernel - Broken Access Control

Linux kernel contains a broken access control vulnerability caused by missing read memory barrier in nfsd_nl_rpc_status_get_dumpit() seqcount retry logic, letting attackers cause inconsistent data reads on weakly-ordered architectures, exploit requires concurrent modification by writer.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.12% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
24 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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